21090231297168

Names of 21090231297168

• Cardinal: 21090231297168 can be written as Twenty-one trillion, ninety billion, two hundred thirty-one million, two hundred ninety-seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1090231297168 × 10¹³

Factors of 21090231297168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 18185

Divisors of 21090231297168

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 363 484 528 726 968 1331 1452 1936 2662 2904 3993 5324 5808 7986 10648 15972 18169 21296 31944 36338 54507 63888 72676 109014 145352 199859 218028 290704 399718 436056 599577 799436 872112 1199154 1598872 2198449 2398308 3197744 4396898 4796616 6595347 8793796 9593232 13190694 17587592 24182939 26381388 35175184 48365878 52762776 72548817 96731756 105525552 145097634 193463512 290195268 330112561 386927024 580390536 660225122 990337683 1160781072 1320450244 1980675366 2640900488 3631238171 3961350732 5281800976 7262476342 7922701464 10893714513 14524952684 15845402928 21787429026 29049905368 39943619881 43574858052 58099810736 79887239762 87149716104 119830859643 159774479524 174299432208 239661719286 319548959048 439379818691 479323438572 639097918096 878759637382 958646877144 1318139456073 1757519274764 1917293754288 2636278912146 3515038549528 5272557824292 7030077099056 10545115648584 21090231297168
• Sum of all divisors σ(n): 59930612382816
• Sum of proper divisors (its aliquot sum) s(n): 38840381085648
• 21090231297168 is an abundant number, because the sum of its proper divisors (38840381085648) is greater than itself. Its abundance is 17750149788480

Bases of 21090231297168

• Binary: 100110010111001110011101111101010010010010000₂
• Hexadecimal: 0x132E73BEA490
• Base-36: 7H4PV6I6O

Squares and roots of 21090231297168

• 21090231297168 squared (21090231297168²) is 444797856168044619924820224
• 21090231297168 cubed (21090231297168³) is 9380889667068525174267144771450720325632
• The square root of 21090231297168 is 4592410.1838977755
• The cube root of 21090231297168 is 27628.6997973813

Scales and comparisons

• 21,090,231,297,168 seconds is equal to 670,604 years, 6 weeks, 1 day, 6 hours, 32 minutes, 48 seconds.
• To count from 1 to 21,090,231,297,168 would take you about one million, six hundred seventy-six thousand, five hundred ten years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21090231297168 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21090231297168

• 21090231297168 backwards is 86179213209012
• The number of decimal digits it has is: 14
• The sum of 21090231297168's digits is 51
• More coming soon!